radeon: incorrect crtc for external LCD on VGA-0

[Otto Solares]

On Wed, Dec 12, 2007 at 11:23:31AM -0500, Alex Deucher wrote:
> On Dec 7, 2007 3:13 AM, Otto Solares <solca at guug.org> wrote:
> >
> > On Fri, Dec 07, 2007 at 02:37:05AM -0500, Alex Deucher wrote:
> > > On Dec 7, 2007 2:18 AM, Otto Solares <solca at guug.org> wrote:
> > > > Hi!
> > > >
> > > > Video card on x86 laptop:
> > > >
> > > > ATI Technologies Inc Radeon R250 [Mobility FireGL 9000] (rev 02)
> > > >
> > > > I used to have an old external CRT monitor attached to the VGA-0
> > > > connector and the command `xrand --output LVDS --off` would
> > > > correctly turn off the laptop's LCD so I can work in the external
> > > > without having both monitors powered-on.
> > > >
> > > > Problem now is that I buy a new external LCD monitor and the
> > > > above command would turn off both the new LCD and the laptop's
> > > > LCD.
> > > >
> > > > But when `xrandr --output VGA-0 --crtc 0` everything works as
> > > > expected so I pressume is a bug in the crtc detection when a
> > > > LCD is attached in the VGA-0 connector both monitors are driven
> > > > by the same crtc.  As I said, plugging the CRT monitor doesn't
> > > > exhibit this problem.
> > > >
> > > > Running latest Debian Sid (X Server 1.4.0) and git radeon driver.
> > >
> > > Please file a bug (https://bugs.freedesktop.org) and attach your xorg
> > > log and config.
> >
> > Done: Bug # 13557
> 
> As per the bug report, can you try again with ati git master?

Sorry for the looong delay, I try with latest git xrandr tool
and latest git driver and the problem persist, I presume now
the CRTC is correct for the VGA-0 port but `xrandr --output \
LVDS --off` still power off both ports.

I update the bug report with the requested info, thanks.

-otto